Answer:
 A
Explanation:
 The most effective technological innovation for the Mongols was combat on horseback, aided by the use of a Stirrup.
 
        
             
        
        
        
Most people believe they were immodest and carnal at that time. They wore short dresses and high heels.
        
             
        
        
        
Answer:
Flamethrower
Explanation:
These flamethrowers were good for close range combat, so they were perfect for trench warfare. They could brutally kill any enemy infantry, and were used to clear out buildings.